<template>
  <div class="search-history">
    <van-cell title="搜索历史">
      <div v-if="isDeleteShow">
        <span @click="$emit('clear-search-histories',[])">全部删除</span>
        &nbsp;&nbsp;
        <span @click="isDeleteShow=false">完成</span>
      </div>
      <van-icon v-else name="delete" @click="isDeleteShow=true"/>
    </van-cell>
    <van-cell :title="item" v-for="(item,index) in searchHistories"
    :key="index"
    @click="onSearchItemClick(item,index)"
    >
      <van-icon v-show="isDeleteShow" name="close" />
    </van-cell>
  </div>
</template>

<script>
export default {
  name: 'SearchHistory',
  components: {},
  props: {
    // Prop 数据
    // 是受父组件数据影响的
    // 如果是普通数据 (数字、字符串、布尔值) 绝对不能修改
    // 即便改了也不会传导给父组件
    // 如果是引用类型数据 (数组、对象)
    // 可以修改，例如 [].push
    // 不能重新赋值，xxx = []
    searchHistories: {
      type: Array,
      required: true
    }
  },
  data () {
    return {
      isDeleteShow: false
    }
  },
  computed: {},
  watch: {},
  created () {},
  mounted () {},
  methods: {
    onSearchItemClick (item, index) {
      if (this.isDeleteShow) {
        this.searchHistories.splice(index, 1)
      } else {
        this.$emit('search', item)
      }
    }
  }
}
</script>

<style scoped lang="less"></style>
